Appearing in "And Then—the X-Men!"
- Spider-Man (Peter Parker)
- Morbius (Appears in flashback and main story)
- Beast (Henry McCoy)
- Human Torch (Only in flashback)
- The Lizard (Only in flashback)
- Ken (Single appearance)
- New York City
- Xavier's School for Gifted Youngsters
- Brand Corporation}, Long Island
Synopsis for "And Then—the X-Men!"
- Synopsis not yet written.
- Inks: Giacoia and Romita ink the flashback.
- Costanza is credited as Jon Costanza.
- As depicted on the cover, all of the X-Men encounter Spider-Man and Morbius in their civilian clothing, not in their traditonal X-Men uniforms.
- Professor X, Marvel Girl, Angel, Cyclops, and Iceman next appear in Amzing Adventures #15.
- The editor of this issue mistakenly urges readers to keep up with the adventures of the Beast in Astonishing Tales, but the Beast actually appeared at this time in Amazing Adventures.
- The last page of this issue advertises next issue as "The Eye of the Basilisk". However, the The Basilisk does not debut until Marvel Team-Up #16.
- This issue has a letters page, Mail It To Team-Up. Letters are published from David McDonnell, Joseph Randis, Jr., Nancy O'Brien, B. Lobe, and Rick Keefe.
- As seen on page one, this issue is Story#964-Z.
- Write your own review of this comic!
- Discuss Marvel Team-Up Vol 1 4 on the forums
- Images from Marvel Team-Up Vol 1 4
- First and only known appearance to date besides flashbacks